Each of these has a synaptic terminal on the tip. These collaterals, just like the roots of a tree, split into smaller extensions called terminal branches. ![]() ![]() This cable, several times thinner than a human hair, is called an axon, and it is where electrical impulses from the neuron travel away to be received by other neurons.ĭepending on the type of neuron, axons greatly vary in length - many are just a millimetre or so, but the longest ones, such as those that go from the brain down the spinal cord, can extend for more than a metre.Īn axon typically develops side branches called axon collaterals, so that one neuron can send information to several others. Each neuron in your brain has one long cable that snakes away from the main part of the cell.
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